Words to Describe palpitation

How palpitation often is described ("________ palpitation")

• continued
• anaemic
• terrible
• organic
• intermittent
• paroxysmal
• sudden
• simple
• gentle
• hysterical
• incidental
• unusual
• aortic
• metrical
• unpleasant
• annoying
• heart
• much
• painful
• chronic
• acute
• sympathetic
• obscure
• strong
• frightful
• spasmodic
• slow
• rebellious
• mild
• persistent
• anxious
• moderate
• continual
• rapid
• subjective
• sickening
• horrible
• nervous
• audible
• cardiac
• pallor
• dreadful
• constant
• excessive
• stronger
• nocturnal
• habitual
• irregular
• visible
• mere
• tumultuous
• extreme
• abdominal
• vain
• frequent
• neurotic
• occasional
• quick
• intense
• violent
• functional
• slight
• nettled
• tremulous
• marked
• uncommon
• distressing
• recurrent
• uncomfortable
• severe
• troublesome
• strange
• soft
• cardiovascular